Multifunctional wheel burr removing device

ABSTRACT

Disclosed in the application are a multifunctional wheel burr removing device, which includes a lower brush system, a turnover system, a synchronous clamping and rotating system, an upper brush system and the like. The multifunctional wheel burr removing device may be used for removing burrs from a riser, a cap seam allowance, a valve hole, bolt holes and bolt counter bores of a wheel, and has the characteristics of high automation degree, high removal efficiency, advanced process, strong universality, and safe and stable performance at the same time.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No.201711394348.3 filed on Dec. 21, 2017, which is hereby incorporated byreference in its entirety.

TECHNICAL FIELD

The present application relates to burr removing device, andspecifically, to multifunctional wheel burr removing device.

BACKGROUND ART

In the machining process of an aluminum alloy wheel, burrs willdefinitely be produced at the machined positions of a riser, a cap seamallowance, a valve hole, bolt holes, bolt hole counter bores and thelike. If the produced burrs are not removed in time, the subsequentcoating effect will be seriously affected, and even the wheel iscorroded in advance during use.

SUMMARY OF THE INVENTION

The aim of the present application is to provide multifunctional wheelburr removing device, which may be used for removing burrs from a riser,a cap seam allowance, a valve hole, bolt holes and bolt counter bores ofa wheel.

In order to fulfill the above aim, the technical solution of the presentapplication is: multifunctional wheel burr removing device, includes aframe, cylinders I, a lower fixed plate, belt pulleys I, shafts I,bearing seats I, a synchronous belt I, a lower lifting plate, gears I,racks I, guide rails I, sliding supports, servo motors I, shafts II,bearing seats II, springs, shafts III, brush heads, a servo motor II, aturnover support I, a belt pulley II, a cylinder II, a synchronous beltII, a left bearing seat I, a belt pulley III, a shaft IV, guide railsII, a left sliding plate, racks II, left shafts, left bearing seats II,V-shaped rollers, a gear II, a brush disc, a belt pulley IV, a shaft V,a synchronous belt III, a rotating support, a belt pulley V, a servomotor III, a shaft VI, a bearing seat III, a servo motor IV, a turnoversupport II, a servo motor V, a servo electric cylinder, an upper slidingplate, an upper lifting plate, a guide rail III, upper guide posts,upper guide sleeves, cylinders III, a brush shaft, right shafts, rightbearing seats I, a right sliding plate, a servo motor VII, a rightbearing seat II, a shaft VII, a servo motor VII, lower guide posts,lower guide sleeves and the like.

A lower lifting system includes: the two cylinders I and the four lowerguide sleeves are all fixed on the lower fixed plate, and the four lowerguide posts matched with the lower guide sleeves are fixed below thelower lifting plate; and the output ends of the cylinders I arearticulated with the lower part of the lower lifting plate.

A burr brushing unit includes: the bearing seat I is fixed below thelower lifting plate, and the shaft I is mounted inside the bearing seatI via bearings; the gear I is fixed at the upper end of the shaft I, andthe belt pulley I is fixed at the lower end of the shaft I; the bottomof the sliding support is mounted above the lower lifting plate via theguide rail I; the rack I is fixed below the sliding support, and engagedwith the gear I; the bearing seat II is fixed above a top plate of thesliding support; the shaft II is mounted inside the bearing seat II viabearings; the shaft III is in sliding fit with the upper end of theshaft II; the spring is mounted inside the shaft II, and arranged belowthe shaft III; the brush head is fixed at the top of the shaft III; theservo motor I is fixed below the top of the sliding support, and theoutput end of the servo motor I is connected with the lower part of theshaft II.

A lower brush system includes five burr brushing units, which areuniformly distributed in the circumferential direction; the synchronousbelt I is connected with the belt pulleys I in the five burr brushingunits; the servo motor VII is fixed below the lower lifting plate, andthe output end of the servo motor VII is connected with the lower partof the shaft I in one burr brushing unit.

A turnover system includes: the servo motor II is fixed at the lowerpart of the left side of the frame, and the belt pulley II is fixed atthe output end of the servo motor II; the left bearing seat I is fixedon the left side of the frame, and arranged above the servo motor II;the shaft IV is mounted inside the left bearing seat I via bearings; thebelt pulley III is fixed on the right side of the shaft IV; the rightend of the shaft IV is fixed at the left end of the turnover support I;the belt pulley II is connected with the belt pulley III via thesynchronous belt II; the right bearing seat II is fixed on the rightside of the frame; the shaft VII is mounted inside the right bearingseat II via bearings, and the left end of the servo motor VII is fixedat the right end of the turnover support I.

A synchronous clamping and rotating system includes: the gear II isfixed above a bottom plate of the turnover support I; the left slidingplate is mounted above the bottom plate of the turnover support I via aguide rail II; the cylinder II is also fixed above the bottom plate ofthe turnover support I, and the output end of the cylinder II isconnected with the lower part of the left sliding plate; a rack II isfixed below the left sliding plate, and the two left bearing seats IIare fixed above the left sliding plate; the two left shafts are mountedinside the left bearing seats II via bearings; two V-shaped rollers arerespectively mounted above the two left shafts; the right sliding plateis mounted above the bottom plate of the turnover support I via a guiderail II; a rack II is fixed below the right sliding plate, and the tworight bearing seats I are fixed above the right sliding plate; the rackII below the left sliding plate and the rack II below the right slidingplate are simultaneously engaged with the gear II; the two right shaftsare mounted inside the right bearing seats I via bearings; two V-shapedrollers are respectively mounted above the two right shafts; the servomotor VII is fixed below the right sliding plate, and the output end ofthe servo motor VII is connected with the lower end of one right shaft.

An upper brush system includes: the shaft V is mounted below therotating support via bearings; the brush disc is fixed at the leftmostend of the shaft V; the belt pulley IV is fixed at the left end of theshaft V, and arranged between the brush disc and the rotating support;the brush shaft is mounted at the right end of the shaft V; the servomotor III is fixed on the left side of the rotating support, and thebelt pulley V is fixed at the output end of the servo motor III; thebelt pulley IV is connected with the belt pulley V via the synchronousbelt III; the bearing seat III is fixed below a bottom plate of theturnover support II; the shaft VI is mounted inside the bearing seat IIIvia bearings; the servo motor IV is fixed above the bottom plate of theturnover support II, and the output end of the servo motor IV isconnected with the top of the shaft VI; the top of the rotating supportis fixed below the shaft VI; the turnover support II is mounted belowthe upper sliding plate via a pin roll; the servo motor V is fixed on aside plate below the upper sliding plate, and the output end of theservo motor V is connected with the pin roll for connecting the turnoversupport II; the upper sliding plate is mounted below the upper liftingplate via the guide rail III; the servo electric cylinder is fixed belowthe upper lifting plate, and the output end of the servo electriccylinder is connected with the upper sliding plate.

An upper lifting system includes: the two cylinders III and the fourupper guide sleeves are fixed at the top of the frame; the four upperguide posts matched with the four upper guide sleeves are fixed at thetop of the upper lifting plate; and the output ends of the two cylindersIII are articulated with the upper part of the upper lifting plate.

In the working process, the cylinder II drives the four V-shaped rollersvia the gear II and the racks II to synchronously clamp a wheel, and theservo motor VII drives the clamped wheel to rotate; the servo motor IIIdrives the brush disc via the synchronous belt III to rotate; thecylinders III drive the brush disc via the upper guide posts to descend,and when the brush disc contacts a riser of the wheel, burrs thereon maybe removed; the angle of the brush shaft in the horizontal direction maybe adjusted under the drive of the servo motor IV via the shaft VI, theincluded angle between the brush shaft and the vertical direction may beadjusted under the drive of the servo motor V via the turnover supportII, and the position of the brush shaft in the horizontal direction maybe adjusted under the drive of the servo electric cylinder via the guiderail III; after the angle and position of the brush shaft are adjustedto be proper, burrs may be removed from a cap seam allowance and a valvehole of the wheel with the use of the brush shaft; the five brush headsare adjusted to pitch circles of bolt holes of the wheel under the driveof the servo motor VII via the synchronous belt I, the gears I, theracks I and the like; the servo motor VII drives the wheel to rotatetill the center of each bolt hole is just concentric with the axis ofeach brush head; the cylinders I drive the brush heads via the lowerguide posts to ascend, and when the brush heads contact the bolt holesof the wheel, burrs may be simultaneously removed from the bolt holes;the servo motor II drives the turnover support I and the wheel via thesynchronous belt II to turn over 180 degrees, and burrs may also beremoved from bolt hole counter bores by the same method.

The present application may be used for removing burrs from a riser, acap seam allowance, a valve hole, bolt holes and bolt counter bores of awheel, and has the characteristics of high automation degree, highremoval efficiency, advanced process, strong universality, and safe andstable performance at the same time.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a front view of multifunctional wheel burr removing device ofthe present application.

FIG. 2 is a left view of the multifunctional wheel burr removing deviceof the present application.

FIG. 3 is a front view of the multifunctional wheel burr removing deviceof the present application after a wheel is turned over.

FIG. 4 is a partial top view of the multifunctional wheel burr removingdevice of the present application.

In which, 1-frame, 2-cylinder I, 3-lower fixed plate, 4-belt pulley I,5-shaft I, 6-bearing seat I, 7-synchronous belt I, 8-lower liftingplate, 9-gear I, 10-rack I, 11-guide rail I, 12-sliding support,13-servo motor I, 14-shaft II, 15-bearing seat II, 16-spring, 17-shaftIII, 18-brush head, 19-servo motor II, 20-turnover support I, 21-beltpulley II, 22-cylinder II, 23-synchronous belt II, 24-left bearing seatI, 25-belt pulley III, 26-shaft IV, 27-guide rail II, 28-left slidingplate, 29-rack II, 30-left shaft, 31-left bearing seat II, 32-V-shapedroller, 33-gear II, 34-brush disc, 35-belt pulley IV, 36-shaft V,37-synchronous belt III, 38-rotating support, 39-belt pulley V, 40-servomotor III, 41-shaft VI, 42-bearing seat III, 43-servo motor IV,44-turnover support II, 45-servo motor V, 46-servo electric cylinder,47-upper sliding plate, 48-upper lifting plate, 49-guide rail III,50-upper guide post, 51-upper guide sleeve, 52-cylinder III, 53-brushshaft, 54-right shaft, 55-right bearing seat I, 56-right sliding plate,57-servo motor VII, 58-right bearing seat II, 59-shaft VII, 60-servomotor VII, 61-lower guide post, 62-lower guide sleeve.

DETAILED DESCRIPTION OF THE INVENTION

Specific details and working conditions of equipment provided by thepresent application will be described below in combination with theaccompanying drawings.

The device includes a frame 1, cylinders I 2, a lower fixed plate 3,belt pulleys I 4, shafts I 5, bearing seats I 6, a synchronous belt I 7,a lower lifting plate 8, gears I 9, racks I 10, guide rails I 11,sliding supports 12, servo motors I 13, shafts II 14, bearing seats II15, springs 16, shafts III 17, brush heads 18, a servo motor II 19, aturnover support I 20, a belt pulley II 21, a cylinder II 22, asynchronous belt II 23, a left bearing seat I 24, a belt pulley III 25,a shaft IV 26, guide rails II 27, a left sliding plate 28, racks II 29,left shafts 30, left bearing seats II 31, V-shaped rollers 32, a gear II33, a brush disc 34, a belt pulley IV 35, a shaft V 36, a synchronousbelt III 37, a rotating support 38, a belt pulley V 39, a servo motorIII 40, a shaft VI 41, a bearing seat III 42, a servo motor IV 43, aturnover support II 44, a servo motor V 45, a servo electric cylinder46, an upper sliding plate 47, an upper lifting plate 48, a guide railIII 49, upper guide posts 50, upper guide sleeves 51, cylinders III 52,a brush shaft 53, right shafts 54, right bearing seats I 55, a rightsliding plate 56, a servo motor VII 57, a right bearing seat II 58, ashaft VII 59, a servo motor VII 60, lower guide posts 61, lower guidesleeves 62 and the like.

A lower lifting system includes: the two cylinders I 2 and the fourlower guide sleeves 62 are all fixed on the lower fixed plate 3, and thefour lower guide posts 61 matched with the lower guide sleeves 62 arefixed below the lower lifting plate 8; and the output ends of thecylinders I 2 are articulated with the lower part of the lower liftingplate 8.

A burr brushing unit includes: the bearing seat I 6 is fixed below thelower lifting plate 8, and the shaft I 5 is mounted inside the bearingseat I 6 via bearings; the gear I 9 is fixed at the upper end of theshaft I 5, and the belt pulley I 4 is fixed at the lower end of theshaft I 5; the bottom of the sliding support 12 is mounted above thelower lifting plate 8 via the guide rail I 11; the rack I 10 is fixedbelow the sliding support 12, and engaged with the gear I 9; the bearingseat II 15 is fixed above a top plate of the sliding support 12; theshaft II 14 is mounted inside the bearing seat II 15 via bearings; theshaft III 17 is in sliding fit with the upper end of the shaft II 14;the spring 16 is mounted inside the shaft II 14, and arranged below theshaft III 17; the brush head 18 is fixed at the top of the shaft III 17;the servo motor I 13 is fixed below the top of the sliding support 12,and the output end of the servo motor I 13 is connected with the lowerpart of the shaft II 14.

A lower brush system includes five burr brushing units, which areuniformly distributed in the circumferential direction; the synchronousbelt I 7 is connected with the belt pulleys I 4 in the five burrbrushing units; the servo motor VII 60 is fixed below the lower liftingplate 8, and the output end of the servo motor VII 60 is connected withthe lower part of the shaft I 5 in one burr brushing unit.

A turnover system includes: the servo motor II 19 is fixed at the lowerpart of the left side of the frame 1, and the belt pulley II 21 is fixedat the output end of the servo motor II 19; the left bearing seat I 24is fixed on the left side of the frame 1, and arranged above the servomotor II 19; the shaft IV 26 is mounted inside the left bearing seat I24 via a bearings; the belt pulley III 25 is fixed on the right side ofthe shaft IV 26; the right end of the shaft IV 26 is fixed at the leftend of the turnover support I 20; the belt pulley II 21 is connectedwith the belt pulley III 25 via the synchronous belt II 23; the rightbearing seat II 58 is fixed on the right side of the frame 1; the shaftVII 59 is mounted inside the right bearing seat II 58 via bearings, andthe left end of the shaft VII 59 is fixed at the right end of theturnover support I 20.

A synchronous clamping and rotating system includes: the gear II 33 isfixed above a bottom plate of the turnover support I 20; the leftsliding plate 28 is mounted above the bottom plate of the turnoversupport I 20 via a guide rail II 27; the cylinder II 22 is also fixedabove the bottom plate of the turnover support I 20, and the output endof the cylinder II 22 is connected with the lower part of the leftsliding plate 28; a rack II 29 is fixed below the left sliding plate 28,and the two left bearing seats II 31 are fixed above the left slidingplate 28; the two left shafts 30 are mounted inside the left bearingseats II 31 via bearings; two V-shaped rollers 32 are respectivelymounted above the two left shafts 30; the right sliding plate 56 ismounted above the bottom plate of the turnover support I 20 via a guiderail II 27; a rack II 29 is fixed below the right sliding plate 56, andthe two right bearing seats I 55 are fixed above the right sliding plate56; the rack II 29 below the left sliding plate 28 and the rack II 29below the right sliding plate 56 are simultaneously engaged with thegear II 33; the two right shafts 54 are mounted inside the right bearingseats I 55 via bearings; two V-shaped rollers 32 are respectivelymounted above the two right shafts 54; the servo motor VII 57 is fixedbelow the right sliding plate 56, and the output end of the servo motorVII 57 is connected with the lower end of one right shaft 54.

An upper brush system includes: the shaft V 36 is mounted below therotating support 38 via bearing; the brush disc 34 is fixed at theleftmost end of the shaft V 36; the belt pulley IV 35 is fixed at theleft end of the shaft V 36, and arranged between the brush disc 34 andthe rotating support 38; the brush shaft 53 is mounted at the right endof the shaft V 36; the servo motor III 40 is fixed on the left side ofthe rotating support 38, and the belt pulley V 39 is fixed at the outputend of the servo motor III 40; the belt pulley IV 35 is connected withthe belt pulley V 39 via the synchronous belt III 37; the bearing seatIII 42 is fixed below a bottom plate of the turnover support II 44; theshaft VI 41 is mounted inside the bearing seat III 42 via bearings; theservo motor IV 43 is fixed above the bottom plate of the turnoversupport II 44, and the output end of the servo motor IV 43 is connectedwith the top of the shaft VI 41; the top of the rotating support 38 isfixed below the shaft VI 41; the turnover support II 44 is mounted belowthe upper sliding plate 47 via a pin roll; the servo motor V 45 is fixedon a side plate below the upper sliding plate 47, and the output end ofthe servo motor V 45 is connected with the pin roll for connecting theturnover support II 44; the upper sliding plate 47 is mounted below theupper lifting plate 48 via the guide rail III 49; the servo electriccylinder 46 is fixed below the upper lifting plate 48, and the outputend of the servo electric cylinder 46 is connected with the uppersliding plate 47.

An upper lifting system includes: the two cylinders III 52 and the fourupper guide sleeves 51 are fixed at the top of the frame 1; the fourupper guide posts 50 matched with the four upper guide sleeves 51 arefixed at the top of the upper lifting plate 48; and the output ends ofthe two cylinders III 52 are articulated with the upper part of theupper lifting plate 48.

In the working process, the cylinder II 22 drives the four V-shapedrollers 32 via the gear II 33 and the racks II 29 to synchronously clampa wheel, and the servo motor VII 57 drives the clamped wheel to rotate;the servo motor III 40 drives the brush disc 34 via the synchronous beltIII 37 to rotate; the cylinders III 52 drive the brush disc 34 via theupper guide posts 50 to descend, and when the brush disc 34 contacts ariser of the wheel, burrs thereon may be removed; the angle of the brushshaft 53 in the horizontal direction may be adjusted under the drive ofthe servo motor IV 43 via the shaft VI 41, the included angle betweenthe brush shaft 53 and the vertical direction may be adjusted under thedrive of the servo motor V 45 via the turnover support II 44, and theposition of the brush shaft 53 in the horizontal direction may beadjusted under the drive of the servo electric cylinder 46 via the guiderail III 49; after the angle and position of the brush shaft 53 areadjusted to be proper, burrs may be removed from a cap seam allowanceand a valve hole of the wheel with the use of the brush shaft 53; thefive brush heads 18 are adjusted to pitch circles of bolt holes of thewheel under the drive of the servo motor VII 60 via the synchronous beltI 7, the gears I 9, the racks I 10 and the like; the servo motor VII 57drives the wheel to rotate till the center of each bolt hole is justconcentric with the axis of each brush head 18; the cylinders I 2 drivethe brush heads 18 via the lower guide posts 61 to ascend, and when thebrush heads 18 contact the bolt holes of the wheel, burrs may besimultaneously removed from the bolt holes; the servo motor II 19 drivesthe turnover support I 20 and the wheel via the synchronous belt II 23to turn over 180 degrees, and burrs may also be removed from bolt holecounter bores by the same method.

The foregoing descriptions of specific exemplary embodiments of thepresent invention have been presented for purposes of illustration anddescription. They are not intended to be exhaustive or to limit theinvention to the precise forms disclosed, and obviously manymodifications and variations are possible in light of the aboveteachings. The exemplary embodiments were chosen and described in orderto explain certain principles of the invention and their practicalapplication, to thereby enable others skilled in the art to make andutilize various exemplary embodiments of the present invention, as wellas various alternatives and modifications thereof. It is intended thatthe scope of the invention be defined by the Claims appended hereto andtheir equivalents.

What is claimed is:
 1. A multifunctional wheel burr removing device,comprising a frame, cylinders I, a lower fixed plate, belt pulleys I,shafts I, bearing seats I, a synchronous belt I, a lower lifting plate,gears I, racks I, guide rails I, sliding supports, servo motors I,shafts II, bearing seats II, springs, shafts III, brush heads, a servomotor II, a turnover support I, a belt pulley II, a cylinder II, asynchronous belt II, a left bearing seat I, a belt pulley III, a shaftIV, guide rails II, a left sliding plate, racks II, left shafts, leftbearing seats II, V-shaped rollers, a gear II, a brush disc, a beltpulley IV, a shaft V, a synchronous belt III, a rotating support, a beltpulley V, a servo motor III, a shaft VI, a bearing seat III, a servomotor IV, a turnover support II, a servo motor V, a servo electriccylinder, an upper sliding plate, an upper lifting plate, a guide railIII, upper guide posts, upper guide sleeves, cylinders III, a brushshaft, right shafts, right bearing seats I, a right sliding plate, aservo motor VII, a right bearing seat II, a shaft VII, a servo motorVII, lower guide posts and lower guide sleeves, a lower lifting systemcomprises: the two cylinders I and the four lower guide sleeves are allfixed on the lower fixed plate, and the four lower guide posts matchedwith the lower guide sleeves are fixed below the lower lifting plate;and the output ends of the cylinders I are articulated with the lowerpart of the lower lifting plate; a burr brushing unit comprises: thebearing seat I is fixed below the lower lifting plate, and the shaft Iis mounted inside the bearing seat I via bearings; the gear I is fixedat the upper end of the shaft I, and the belt pulley I is fixed at thelower end of the shaft I; the bottom of the sliding support is mountedabove the lower lifting plate via the guide rail I; the rack I is fixedbelow the sliding support, and engaged with the gear I; the bearing seatII is fixed above a top plate of the sliding support; the shaft II ismounted inside the bearing seat II via bearings; the shaft III is insliding fit with the upper end of the shaft II; the spring is mountedinside the shaft II, and arranged below the shaft III; the brush head isfixed at the top of the shaft III; the servo motor I is fixed below thetop of the sliding support, and the output end of the servo motor I isconnected with the lower part of the shaft II; a lower brush systemcomprises five burr brushing units, which are uniformly distributed inthe circumferential direction; the synchronous belt I is connected withthe belt pulleys I in the five burr brushing units; the servo motor VIIis fixed below the lower lifting plate, and the output end of the servomotor VII is connected with the lower part of the shaft I in one burrbrushing unit; a turnover system comprises: the servo motor II is fixedat the lower part of the left side of the frame, and the belt pulley IIis fixed at the output end of the servo motor II; the left bearing seatI is fixed on the left side of the frame, and arranged above the servomotor II; the shaft IV is mounted inside the left bearing seat I viabearings; the belt pulley III is fixed on the right side of the shaftIV; the right end of the shaft IV is fixed at the left end of theturnover support I; the belt pulley II is connected with the belt pulleyIII via the synchronous belt II; the right bearing seat II is fixed onthe right side of the frame; the shaft VII is mounted inside the rightbearing seat II via bearings, and the left end of the shaft VII is fixedat the right end of the turnover support I; a synchronous clamping androtating system comprises: the gear II is fixed above a bottom plate ofthe turnover support I; the left sliding plate is mounted above thebottom plate of the turnover support I via a guide rail II; the cylinderII is also fixed above the bottom plate of the turnover support I, andthe output end of the cylinder II is connected with the lower part ofthe left sliding plate; a rack II is fixed below the left sliding plate,and the two left bearing seats II are fixed above the left slidingplate; the two left shafts are mounted inside the left bearing seats IIvia bearings; two V-shaped rollers are respectively mounted above thetwo left shafts; the right sliding plate is mounted above the bottomplate of the turnover support I via a guide rail II; a rack II is fixedbelow the right sliding plate, and the two right bearing seats I arefixed above the right sliding plate; the rack II below the left slidingplate and the rack II below the right sliding plate are simultaneouslyengaged with the gear II; the two right shafts are mounted inside theright bearing seats I via bearings; two V-shaped rollers arerespectively mounted above the two right shafts; the servo motor VII isfixed below the right sliding plate, and the output end of the servomotor VII is connected with the lower end of one right shaft; an upperbrush system comprises: the shaft V is mounted below the rotatingsupport via bearings; the brush disc is fixed at the leftmost end of theshaft V; the belt pulley IV is fixed at the left end of the shaft V, andarranged between the brush disc and the rotating support; the brushshaft is mounted at the right end of the shaft V; the servo motor III isfixed on the left side of the rotating support, and the belt pulley V isfixed at the output end of the servo motor III; the belt pulley IV isconnected with the belt pulley V via the synchronous belt III; thebearing seat III is fixed below a bottom plate of the turnover supportII; the shaft VI is mounted inside the bearing seat III via bearings;the servo motor IV is fixed above the bottom plate of the turnoversupport II, and the output end of the servo motor IV is connected withthe top of the shaft VI; the top of the rotating support is fixed belowthe shaft VI; the turnover support II is mounted below the upper slidingplate via a pin roll; the servo motor V is fixed on a side plate belowthe upper sliding plate, and the output end of the servo motor V isconnected with the pin roll for connecting the turnover support II; theupper sliding plate is mounted below the upper lifting plate via theguide rail III; the servo electric cylinder is fixed below the upperlifting plate, and the output end of the servo electric cylinder isconnected with the upper sliding plate; an upper lifting systemcomprises: the two cylinders III and the four upper guide sleeves arefixed at the top of the frame; the four upper guide posts matched withthe four upper guide sleeves are fixed at the top of the upper liftingplate; and the output ends of the two cylinders III are articulated withthe upper part of the upper lifting plate.